Mercurial > hg > graal-jvmci-8
annotate src/share/vm/code/codeBlob.cpp @ 17937:78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
8043029: Change 8037816 breaks HS build with older GCC versions which don't support diagnostic pragmas
8043164: Format warning in traceStream.hpp
Summary: Backport of main fix + two corrections, enables clang compilation, turns on format attributes, corrects/mutes warnings
Reviewed-by: kvn, coleenp, iveresov, twisti
| author | drchase |
|---|---|
| date | Thu, 22 May 2014 15:52:41 -0400 |
| parents | 469216acdb28 |
| children | 52b4284cb496 094cbdffa87d |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "code/codeBlob.hpp" | |
| 27 #include "code/codeCache.hpp" | |
| 28 #include "code/relocInfo.hpp" | |
| 29 #include "compiler/disassembler.hpp" | |
| 30 #include "interpreter/bytecode.hpp" | |
| 31 #include "memory/allocation.inline.hpp" | |
| 32 #include "memory/heap.hpp" | |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/forte.hpp" | |
| 35 #include "runtime/handles.inline.hpp" | |
| 36 #include "runtime/interfaceSupport.hpp" | |
| 37 #include "runtime/mutexLocker.hpp" | |
| 38 #include "runtime/safepoint.hpp" | |
| 39 #include "runtime/sharedRuntime.hpp" | |
| 40 #include "runtime/vframe.hpp" | |
| 41 #include "services/memoryService.hpp" | |
| 42 #ifdef TARGET_ARCH_x86 | |
| 43 # include "nativeInst_x86.hpp" | |
| 44 #endif | |
| 45 #ifdef TARGET_ARCH_sparc | |
| 46 # include "nativeInst_sparc.hpp" | |
| 47 #endif | |
| 48 #ifdef TARGET_ARCH_zero | |
| 49 # include "nativeInst_zero.hpp" | |
| 50 #endif | |
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51 #ifdef TARGET_ARCH_arm |
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52 # include "nativeInst_arm.hpp" |
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53 #endif |
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54 #ifdef TARGET_ARCH_ppc |
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55 # include "nativeInst_ppc.hpp" |
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56 #endif |
| 1972 | 57 #ifdef COMPILER1 |
| 58 #include "c1/c1_Runtime1.hpp" | |
| 59 #endif | |
| 0 | 60 |
| 61 unsigned int align_code_offset(int offset) { | |
| 62 // align the size to CodeEntryAlignment | |
| 63 return | |
| 64 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) | |
| 65 - (int)CodeHeap::header_size(); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 // This must be consistent with the CodeBlob constructor's layout actions. | |
| 70 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { | |
| 71 unsigned int size = header_size; | |
| 72 size += round_to(cb->total_relocation_size(), oopSize); | |
| 73 // align the size to CodeEntryAlignment | |
| 74 size = align_code_offset(size); | |
| 1748 | 75 size += round_to(cb->total_content_size(), oopSize); |
| 0 | 76 size += round_to(cb->total_oop_size(), oopSize); |
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77 size += round_to(cb->total_metadata_size(), oopSize); |
| 0 | 78 return size; |
| 79 } | |
| 80 | |
| 81 | |
| 82 // Creates a simple CodeBlob. Sets up the size of the different regions. | |
| 83 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { | |
| 1748 | 84 assert(size == round_to(size, oopSize), "unaligned size"); |
| 85 assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); | |
| 0 | 86 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 87 assert(!UseRelocIndex, "no space allocated for reloc index yet"); | |
| 88 | |
| 89 // Note: If UseRelocIndex is enabled, there needs to be (at least) one | |
| 90 // extra word for the relocation information, containing the reloc | |
| 91 // index table length. Unfortunately, the reloc index table imple- | |
| 92 // mentation is not easily understandable and thus it is not clear | |
| 93 // what exactly the format is supposed to be. For now, we just turn | |
| 94 // off the use of this table (gri 7/6/2000). | |
| 95 | |
| 96 _name = name; | |
| 97 _size = size; | |
| 98 _frame_complete_offset = frame_complete; | |
| 99 _header_size = header_size; | |
| 100 _relocation_size = locs_size; | |
| 1748 | 101 _content_offset = align_code_offset(header_size + _relocation_size); |
| 102 _code_offset = _content_offset; | |
| 0 | 103 _data_offset = size; |
| 104 _frame_size = 0; | |
| 105 set_oop_maps(NULL); | |
| 106 } | |
| 107 | |
| 108 | |
| 109 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, | |
| 110 // and copy code and relocation info. | |
| 111 CodeBlob::CodeBlob( | |
| 112 const char* name, | |
| 113 CodeBuffer* cb, | |
| 114 int header_size, | |
| 115 int size, | |
| 116 int frame_complete, | |
| 117 int frame_size, | |
| 118 OopMapSet* oop_maps | |
| 119 ) { | |
| 1748 | 120 assert(size == round_to(size, oopSize), "unaligned size"); |
| 0 | 121 assert(header_size == round_to(header_size, oopSize), "unaligned size"); |
| 122 | |
| 123 _name = name; | |
| 124 _size = size; | |
| 125 _frame_complete_offset = frame_complete; | |
| 126 _header_size = header_size; | |
| 127 _relocation_size = round_to(cb->total_relocation_size(), oopSize); | |
| 1748 | 128 _content_offset = align_code_offset(header_size + _relocation_size); |
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129 _code_offset = _content_offset + cb->total_offset_of(cb->insts()); |
| 1748 | 130 _data_offset = _content_offset + round_to(cb->total_content_size(), oopSize); |
| 0 | 131 assert(_data_offset <= size, "codeBlob is too small"); |
| 132 | |
| 133 cb->copy_code_and_locs_to(this); | |
| 134 set_oop_maps(oop_maps); | |
| 135 _frame_size = frame_size; | |
| 136 #ifdef COMPILER1 | |
| 137 // probably wrong for tiered | |
| 138 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); | |
| 139 #endif // COMPILER1 | |
| 140 } | |
| 141 | |
| 142 | |
| 143 void CodeBlob::set_oop_maps(OopMapSet* p) { | |
| 144 // Danger Will Robinson! This method allocates a big | |
| 145 // chunk of memory, its your job to free it. | |
| 146 if (p != NULL) { | |
| 147 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps | |
| 6197 | 148 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode); |
| 0 | 149 p->copy_to((address)_oop_maps); |
| 150 } else { | |
| 151 _oop_maps = NULL; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 | |
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156 void CodeBlob::trace_new_stub(CodeBlob* stub, const char* name1, const char* name2) { |
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157 // Do not hold the CodeCache lock during name formatting. |
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158 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); |
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159 |
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160 if (stub != NULL) { |
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161 char stub_id[256]; |
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162 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); |
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163 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); |
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164 if (PrintStubCode) { |
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165 ttyLocker ttyl; |
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166 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); |
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167 Disassembler::decode(stub->code_begin(), stub->code_end()); |
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168 tty->cr(); |
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169 } |
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170 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); |
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171 |
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172 if (JvmtiExport::should_post_dynamic_code_generated()) { |
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173 const char* stub_name = name2; |
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174 if (name2[0] == '\0') stub_name = name1; |
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175 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); |
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176 } |
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177 } |
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178 |
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179 // Track memory usage statistic after releasing CodeCache_lock |
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180 MemoryService::track_code_cache_memory_usage(); |
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181 } |
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182 |
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183 |
| 0 | 184 void CodeBlob::flush() { |
| 185 if (_oop_maps) { | |
| 6197 | 186 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps, mtCode); |
| 0 | 187 _oop_maps = NULL; |
| 188 } | |
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189 _strings.free(); |
| 0 | 190 } |
| 191 | |
| 192 | |
| 193 OopMap* CodeBlob::oop_map_for_return_address(address return_address) { | |
| 1748 | 194 assert(oop_maps() != NULL, "nope"); |
| 195 return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); | |
| 0 | 196 } |
| 197 | |
| 198 | |
| 199 //---------------------------------------------------------------------------------------------------- | |
| 200 // Implementation of BufferBlob | |
| 201 | |
| 202 | |
| 203 BufferBlob::BufferBlob(const char* name, int size) | |
| 204 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) | |
| 205 {} | |
| 206 | |
| 207 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { | |
| 208 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 209 | |
| 210 BufferBlob* blob = NULL; | |
| 211 unsigned int size = sizeof(BufferBlob); | |
| 212 // align the size to CodeEntryAlignment | |
| 213 size = align_code_offset(size); | |
| 214 size += round_to(buffer_size, oopSize); | |
| 215 assert(name != NULL, "must provide a name"); | |
| 216 { | |
| 217 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 218 blob = new (size) BufferBlob(name, size); | |
| 219 } | |
| 220 // Track memory usage statistic after releasing CodeCache_lock | |
| 221 MemoryService::track_code_cache_memory_usage(); | |
| 222 | |
| 223 return blob; | |
| 224 } | |
| 225 | |
| 226 | |
| 227 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) | |
| 228 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) | |
| 229 {} | |
| 230 | |
| 231 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { | |
| 232 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 233 | |
| 234 BufferBlob* blob = NULL; | |
| 235 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); | |
| 236 assert(name != NULL, "must provide a name"); | |
| 237 { | |
| 238 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 239 blob = new (size) BufferBlob(name, size, cb); | |
| 240 } | |
| 241 // Track memory usage statistic after releasing CodeCache_lock | |
| 242 MemoryService::track_code_cache_memory_usage(); | |
| 243 | |
| 244 return blob; | |
| 245 } | |
| 246 | |
| 247 | |
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248 void* BufferBlob::operator new(size_t s, unsigned size, bool is_critical) throw() { |
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249 void* p = CodeCache::allocate(size, is_critical); |
| 0 | 250 return p; |
| 251 } | |
| 252 | |
| 253 | |
| 254 void BufferBlob::free( BufferBlob *blob ) { | |
| 255 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 256 { | |
| 257 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 258 CodeCache::free((CodeBlob*)blob); | |
| 259 } | |
| 260 // Track memory usage statistic after releasing CodeCache_lock | |
| 261 MemoryService::track_code_cache_memory_usage(); | |
| 262 } | |
| 263 | |
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264 |
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265 //---------------------------------------------------------------------------------------------------- |
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266 // Implementation of AdapterBlob |
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267 |
| 1663 | 268 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : |
| 269 BufferBlob("I2C/C2I adapters", size, cb) { | |
| 270 CodeCache::commit(this); | |
| 271 } | |
| 272 | |
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273 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { |
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274 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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275 |
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276 AdapterBlob* blob = NULL; |
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277 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); |
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278 { |
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279 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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280 // The parameter 'true' indicates a critical memory allocation. |
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281 // This means that CodeCacheMinimumFreeSpace is used, if necessary |
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282 const bool is_critical = true; |
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283 blob = new (size, is_critical) AdapterBlob(size, cb); |
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284 } |
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285 // Track memory usage statistic after releasing CodeCache_lock |
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286 MemoryService::track_code_cache_memory_usage(); |
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287 |
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288 return blob; |
| 0 | 289 } |
| 290 | |
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291 |
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292 //---------------------------------------------------------------------------------------------------- |
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293 // Implementation of MethodHandlesAdapterBlob |
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294 |
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295 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { |
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296 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock |
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297 |
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298 MethodHandlesAdapterBlob* blob = NULL; |
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299 unsigned int size = sizeof(MethodHandlesAdapterBlob); |
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300 // align the size to CodeEntryAlignment |
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301 size = align_code_offset(size); |
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302 size += round_to(buffer_size, oopSize); |
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303 { |
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304 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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305 // The parameter 'true' indicates a critical memory allocation. |
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306 // This means that CodeCacheMinimumFreeSpace is used, if necessary |
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307 const bool is_critical = true; |
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308 blob = new (size, is_critical) MethodHandlesAdapterBlob(size); |
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309 } |
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310 // Track memory usage statistic after releasing CodeCache_lock |
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311 MemoryService::track_code_cache_memory_usage(); |
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312 |
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313 return blob; |
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314 } |
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315 |
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316 |
| 0 | 317 //---------------------------------------------------------------------------------------------------- |
| 318 // Implementation of RuntimeStub | |
| 319 | |
| 320 RuntimeStub::RuntimeStub( | |
| 321 const char* name, | |
| 322 CodeBuffer* cb, | |
| 323 int size, | |
| 324 int frame_complete, | |
| 325 int frame_size, | |
| 326 OopMapSet* oop_maps, | |
| 327 bool caller_must_gc_arguments | |
| 328 ) | |
| 329 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) | |
| 330 { | |
| 331 _caller_must_gc_arguments = caller_must_gc_arguments; | |
| 332 } | |
| 333 | |
| 334 | |
| 335 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, | |
| 336 CodeBuffer* cb, | |
| 337 int frame_complete, | |
| 338 int frame_size, | |
| 339 OopMapSet* oop_maps, | |
| 340 bool caller_must_gc_arguments) | |
| 341 { | |
| 342 RuntimeStub* stub = NULL; | |
| 343 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 344 { | |
| 345 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 346 unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); | |
| 347 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); | |
| 348 } | |
| 349 | |
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350 trace_new_stub(stub, "RuntimeStub - ", stub_name); |
| 0 | 351 |
| 352 return stub; | |
| 353 } | |
| 354 | |
| 355 | |
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356 void* RuntimeStub::operator new(size_t s, unsigned size) throw() { |
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357 void* p = CodeCache::allocate(size, true); |
| 0 | 358 if (!p) fatal("Initial size of CodeCache is too small"); |
| 359 return p; | |
| 360 } | |
| 361 | |
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362 // operator new shared by all singletons: |
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363 void* SingletonBlob::operator new(size_t s, unsigned size) throw() { |
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364 void* p = CodeCache::allocate(size, true); |
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365 if (!p) fatal("Initial size of CodeCache is too small"); |
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366 return p; |
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367 } |
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368 |
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369 |
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370 //---------------------------------------------------------------------------------------------------- |
| 0 | 371 // Implementation of DeoptimizationBlob |
| 372 | |
| 373 DeoptimizationBlob::DeoptimizationBlob( | |
| 374 CodeBuffer* cb, | |
| 375 int size, | |
| 376 OopMapSet* oop_maps, | |
| 377 int unpack_offset, | |
| 378 int unpack_with_exception_offset, | |
| 379 int unpack_with_reexecution_offset, | |
| 380 int frame_size | |
| 381 ) | |
| 382 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) | |
| 383 { | |
| 384 _unpack_offset = unpack_offset; | |
| 385 _unpack_with_exception = unpack_with_exception_offset; | |
| 386 _unpack_with_reexecution = unpack_with_reexecution_offset; | |
| 387 #ifdef COMPILER1 | |
| 388 _unpack_with_exception_in_tls = -1; | |
| 389 #endif | |
| 390 } | |
| 391 | |
| 392 | |
| 393 DeoptimizationBlob* DeoptimizationBlob::create( | |
| 394 CodeBuffer* cb, | |
| 395 OopMapSet* oop_maps, | |
| 396 int unpack_offset, | |
| 397 int unpack_with_exception_offset, | |
| 398 int unpack_with_reexecution_offset, | |
| 399 int frame_size) | |
| 400 { | |
| 401 DeoptimizationBlob* blob = NULL; | |
| 402 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 403 { | |
| 404 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 405 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); | |
| 406 blob = new (size) DeoptimizationBlob(cb, | |
| 407 size, | |
| 408 oop_maps, | |
| 409 unpack_offset, | |
| 410 unpack_with_exception_offset, | |
| 411 unpack_with_reexecution_offset, | |
| 412 frame_size); | |
| 413 } | |
| 414 | |
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415 trace_new_stub(blob, "DeoptimizationBlob"); |
| 0 | 416 |
| 417 return blob; | |
| 418 } | |
| 419 | |
| 420 | |
| 421 //---------------------------------------------------------------------------------------------------- | |
| 422 // Implementation of UncommonTrapBlob | |
| 423 | |
| 424 #ifdef COMPILER2 | |
| 425 UncommonTrapBlob::UncommonTrapBlob( | |
| 426 CodeBuffer* cb, | |
| 427 int size, | |
| 428 OopMapSet* oop_maps, | |
| 429 int frame_size | |
| 430 ) | |
| 431 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) | |
| 432 {} | |
| 433 | |
| 434 | |
| 435 UncommonTrapBlob* UncommonTrapBlob::create( | |
| 436 CodeBuffer* cb, | |
| 437 OopMapSet* oop_maps, | |
| 438 int frame_size) | |
| 439 { | |
| 440 UncommonTrapBlob* blob = NULL; | |
| 441 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 442 { | |
| 443 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 444 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); | |
| 445 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); | |
| 446 } | |
| 447 | |
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448 trace_new_stub(blob, "UncommonTrapBlob"); |
| 0 | 449 |
| 450 return blob; | |
| 451 } | |
| 452 | |
| 453 | |
| 454 #endif // COMPILER2 | |
| 455 | |
| 456 | |
| 457 //---------------------------------------------------------------------------------------------------- | |
| 458 // Implementation of ExceptionBlob | |
| 459 | |
| 460 #ifdef COMPILER2 | |
| 461 ExceptionBlob::ExceptionBlob( | |
| 462 CodeBuffer* cb, | |
| 463 int size, | |
| 464 OopMapSet* oop_maps, | |
| 465 int frame_size | |
| 466 ) | |
| 467 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) | |
| 468 {} | |
| 469 | |
| 470 | |
| 471 ExceptionBlob* ExceptionBlob::create( | |
| 472 CodeBuffer* cb, | |
| 473 OopMapSet* oop_maps, | |
| 474 int frame_size) | |
| 475 { | |
| 476 ExceptionBlob* blob = NULL; | |
| 477 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 478 { | |
| 479 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 480 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); | |
| 481 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); | |
| 482 } | |
| 483 | |
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484 trace_new_stub(blob, "ExceptionBlob"); |
| 0 | 485 |
| 486 return blob; | |
| 487 } | |
| 488 | |
| 489 | |
| 490 #endif // COMPILER2 | |
| 491 | |
| 492 | |
| 493 //---------------------------------------------------------------------------------------------------- | |
| 494 // Implementation of SafepointBlob | |
| 495 | |
| 496 SafepointBlob::SafepointBlob( | |
| 497 CodeBuffer* cb, | |
| 498 int size, | |
| 499 OopMapSet* oop_maps, | |
| 500 int frame_size | |
| 501 ) | |
| 502 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) | |
| 503 {} | |
| 504 | |
| 505 | |
| 506 SafepointBlob* SafepointBlob::create( | |
| 507 CodeBuffer* cb, | |
| 508 OopMapSet* oop_maps, | |
| 509 int frame_size) | |
| 510 { | |
| 511 SafepointBlob* blob = NULL; | |
| 512 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock | |
| 513 { | |
| 514 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 515 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); | |
| 516 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); | |
| 517 } | |
| 518 | |
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519 trace_new_stub(blob, "SafepointBlob"); |
| 0 | 520 |
| 521 return blob; | |
| 522 } | |
| 523 | |
| 524 | |
| 525 //---------------------------------------------------------------------------------------------------- | |
| 526 // Verification and printing | |
| 527 | |
| 528 void CodeBlob::verify() { | |
| 529 ShouldNotReachHere(); | |
| 530 } | |
| 531 | |
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532 void CodeBlob::print_on(outputStream* st) const { |
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533 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this)); |
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534 st->print_cr("Framesize: %d", _frame_size); |
| 0 | 535 } |
| 536 | |
| 537 void CodeBlob::print_value_on(outputStream* st) const { | |
| 538 st->print_cr("[CodeBlob]"); | |
| 539 } | |
| 540 | |
| 541 void BufferBlob::verify() { | |
| 542 // unimplemented | |
| 543 } | |
| 544 | |
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545 void BufferBlob::print_on(outputStream* st) const { |
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546 CodeBlob::print_on(st); |
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547 print_value_on(st); |
| 0 | 548 } |
| 549 | |
| 550 void BufferBlob::print_value_on(outputStream* st) const { | |
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551 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name()); |
| 0 | 552 } |
| 553 | |
| 554 void RuntimeStub::verify() { | |
| 555 // unimplemented | |
| 556 } | |
| 557 | |
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558 void RuntimeStub::print_on(outputStream* st) const { |
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559 ttyLocker ttyl; |
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560 CodeBlob::print_on(st); |
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561 st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this)); |
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562 st->print_cr("%s", name()); |
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563 Disassembler::decode((CodeBlob*)this, st); |
| 0 | 564 } |
| 565 | |
| 566 void RuntimeStub::print_value_on(outputStream* st) const { | |
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567 st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name()); |
| 0 | 568 } |
| 569 | |
| 570 void SingletonBlob::verify() { | |
| 571 // unimplemented | |
| 572 } | |
| 573 | |
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574 void SingletonBlob::print_on(outputStream* st) const { |
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575 ttyLocker ttyl; |
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576 CodeBlob::print_on(st); |
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577 st->print_cr("%s", name()); |
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578 Disassembler::decode((CodeBlob*)this, st); |
| 0 | 579 } |
| 580 | |
| 581 void SingletonBlob::print_value_on(outputStream* st) const { | |
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582 st->print_cr("%s", name()); |
| 0 | 583 } |
| 584 | |
| 585 void DeoptimizationBlob::print_value_on(outputStream* st) const { | |
| 586 st->print_cr("Deoptimization (frame not available)"); | |
| 587 } |